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US1617137A
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Rotary kiln for burning cement, magnesite, lime, and the like
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GB256014A
|
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Revolving tubular kiln for burning cement, magnesite, lime and the like
|
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US1581522A
|
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Device for burning cement, magnesite, lime, etc.
|
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GB188424A
|
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Improvements in rotary calcining furnaces
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GB148819A
|
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Grate for shaft furnaces
|
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GB148818A
|
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Process for the blast-proof closing of discharging devices for shaftfurnaces and such like
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US1405029A
|
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Ash-discharge device for furnaces
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US1452006A
|
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Grate for shaft furnaces
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